AL-SAQABI B, KALLA SL. SOLUTION OF SECOND AND THIRD ORDER LINEAR DIFFERENTIAL EQUATIONS BY FRACTIONAL CALCULUS. Tamkang J. Math. [Internet]. 1990 Sep. 1 [cited 2024 Apr. 20];21(3):191-200. Available from: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4658